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|
# recvmmsg ___________________________________________________
#
# long sys_recvmmsg(int fd, struct mmsghdr __user *mmsg,
# unsigned int vlen, unsigned int flags,
# struct timespec __user *timeout)
#
@define _SYSCALL_RECVMMSG_NAME
%(
name = "recvmmsg"
%)
@define _SYSCALL_RECVMMSG_ARGSTR
%(
argstr = sprintf("%d, %p, %u, %s, %s", s, mmsg_uaddr, vlen, flags_str, timeout_str)
%)
@define _SYSCALL_RECVMMSG_REGARGS
%(
s = int_arg(1)
mmsg_uaddr = pointer_arg(2)
vlen = uint_arg(3)
flags = uint_arg(4)
flags_str = _msg_flags_str(flags)
timeout_uaddr = pointer_arg(5)
%)
probe syscall.recvmmsg = dw_syscall.recvmmsg !, nd_syscall.recvmmsg ? {}
probe syscall.recvmmsg.return = dw_syscall.recvmmsg.return !,
nd_syscall.recvmmsg.return ? {}
# dw_recvmmsg _____________________________________________________
probe dw_syscall.recvmmsg = kernel.function("sys_recvmmsg").call ?
{
@_SYSCALL_RECVMMSG_NAME
s = __int32($fd)
mmsg_uaddr = $mmsg
vlen = __uint32($vlen)
flags = __uint32($flags)
flags_str = _msg_flags_str(flags)
timeout_uaddr = $timeout
timeout_str = _struct_timespec_u(timeout_uaddr, 1)
@_SYSCALL_RECVMMSG_ARGSTR
}
probe dw_syscall.recvmmsg.return = kernel.function("sys_recvmmsg").return ?
{
@_SYSCALL_RECVMMSG_NAME
@SYSC_RETVALSTR($return)
}
# nd_recvmmsg _____________________________________________________
probe nd_syscall.recvmmsg = nd1_syscall.recvmmsg!, nd2_syscall.recvmmsg!, tp_syscall.recvmmsg
{ }
probe nd1_syscall.recvmmsg = kprobe.function("sys_recvmmsg").call ?
{
@_SYSCALL_RECVMMSG_NAME
asmlinkage()
@_SYSCALL_RECVMMSG_REGARGS
timeout_str = _struct_timespec_u(timeout_uaddr, 1)
@_SYSCALL_RECVMMSG_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.recvmmsg = kprobe.function(@arch_syscall_prefix "sys_recvmmsg").call ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_RECVMMSG_NAME
@_SYSCALL_RECVMMSG_REGARGS
timeout_str = _struct_timespec_u(timeout_uaddr, 1)
@_SYSCALL_RECVMMSG_ARGSTR
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.recvmmsg = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_recvmmsg"))
@_SYSCALL_RECVMMSG_NAME
@_SYSCALL_RECVMMSG_REGARGS
timeout_str = _struct_timespec_u(timeout_uaddr, 1)
@_SYSCALL_RECVMMSG_ARGSTR
}
probe nd_syscall.recvmmsg.return = nd1_syscall.recvmmsg.return!, nd2_syscall.recvmmsg.return!, tp_syscall.recvmmsg.return
{ }
probe nd1_syscall.recvmmsg.return = kprobe.function("sys_recvmmsg").return ?
{
@_SYSCALL_RECVMMSG_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.recvmmsg.return = kprobe.function(@arch_syscall_prefix "sys_recvmmsg").return ?
{
@_SYSCALL_RECVMMSG_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.recvmmsg.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_recvmmsg"))
@_SYSCALL_RECVMMSG_NAME
@SYSC_RETVALSTR($ret)
}
# compat_recvmmsg ___________________________________________________
#
# long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
# unsigned vlen, unsigned int flags,
# struct compat_timespec __user *timeout)
#
probe syscall.compat_recvmmsg = dw_syscall.compat_recvmmsg !,
nd_syscall.compat_recvmmsg ? {}
probe syscall.compat_recvmmsg.return = dw_syscall.compat_recvmmsg.return !,
nd_syscall.compat_recvmmsg.return ? {}
# dw_compat_recvmmsg _____________________________________________________
probe dw_syscall.compat_recvmmsg = kernel.function("compat_sys_recvmmsg").call ?
{
@_SYSCALL_RECVMMSG_NAME
s = __int32($fd)
mmsg_uaddr = $mmsg
vlen = __uint32($vlen)
flags = __uint32($flags)
flags_str = _msg_flags_str(flags)
timeout_uaddr = $timeout
timeout_str = _struct_compat_timespec_u(timeout_uaddr, 1)
@_SYSCALL_RECVMMSG_ARGSTR
}
probe dw_syscall.compat_recvmmsg.return =
kernel.function("compat_sys_recvmmsg").return ?
{
@_SYSCALL_RECVMMSG_NAME
@SYSC_RETVALSTR($return)
}
# nd_compat_recvmmsg _____________________________________________________
probe nd_syscall.compat_recvmmsg = nd1_syscall.compat_recvmmsg!, nd2_syscall.compat_recvmmsg!, tp_syscall.compat_recvmmsg
{ }
probe nd1_syscall.compat_recvmmsg = kprobe.function("compat_sys_recvmmsg").call ?
{
@_SYSCALL_RECVMMSG_NAME
asmlinkage()
@_SYSCALL_RECVMMSG_REGARGS
timeout_str = _struct_compat_timespec_u(timeout_uaddr, 1)
@_SYSCALL_RECVMMSG_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.compat_recvmmsg = kprobe.function(@arch_syscall_prefix "compat_sys_recvmmsg").call ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_RECVMMSG_NAME
@_SYSCALL_RECVMMSG_REGARGS
timeout_str = _struct_compat_timespec_u(timeout_uaddr, 1)
@_SYSCALL_RECVMMSG_ARGSTR
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_recvmmsg = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_recvmmsg"))
@_SYSCALL_RECVMMSG_NAME
@_SYSCALL_RECVMMSG_REGARGS
timeout_str = _struct_compat_timespec_u(timeout_uaddr, 1)
@_SYSCALL_RECVMMSG_ARGSTR
}
probe nd_syscall.compat_recvmmsg.return = nd1_syscall.compat_recvmmsg.return!, nd2_syscall.compat_recvmmsg.return!, tp_syscall.compat_recvmmsg.return
{ }
probe nd1_syscall.compat_recvmmsg.return =
kprobe.function("compat_sys_recvmmsg").return ?
{
@_SYSCALL_RECVMMSG_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.compat_recvmmsg.return = kprobe.function(@arch_syscall_prefix "compat_sys_recvmmsg").return ?
{
@_SYSCALL_RECVMMSG_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_recvmmsg.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_recvmmsg"))
@_SYSCALL_RECVMMSG_NAME
@SYSC_RETVALSTR($ret)
}
|
